Phillip Rogaway, Don Coppersmith
Journal of Cryptology
A new algorithm for computing Hadamard transforms is presented. If n is a power of four, then the new algorithm uses ⅞ n logn multiply/adds to compute a Hadamard transform of length n. © 1994 IEEE
Phillip Rogaway, Don Coppersmith
Journal of Cryptology
Ephraim Feig, Fred Greenleaf
Applied Optics
Don Coppersmith, David Gamarnik, et al.
Random Structures and Algorithms
Béla Bollobás, Don Coppersmith, et al.
SODA 1998